"That patent brings an interesting perspective to brushless gimbals, especially for those companies that profit off of selling them. As for the kickstarter, it is a complete ripoff even if the product is good."
Tian's Page
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Tian commented on Paul Hanson's blog post Quad loses half a propeller mid flight"Wow, it's amazing how the flight controller still kept in the air and that you landed it almost perfectly."
Tian commented on vis.asta's blog post quadrocopter ultra-long flight (141min)"I'm speechless. I can't even comprehend how this is possible with the products that are currently on the market."
Tian commented on Max Bruner's blog post Sub-$300 quadrotor kit released on Kickstarter"It is quite amazing how quickly this went onto the market from the day you made that first post. At the current rate, you guys will be funded within another day or two. The controller is quite an interesting design. Very few people are going into…"
Tian commented on Jamie Ahmed's blog post Let's talk about Inertial Dead Reckoning!"If I remember correctly, the drift problem is already solved (but not completely eliminated). UPenn uses inertial measurements to do indoor mapping with a Kinect.
I think this should work, assuming that you can get accurate X, Y, and Z measurements…"
Tian commented on Andreas M. Antonopoulos's blog post Interior Mapping Quad, like in the drones from the movie Prometheus"i saw a small demonstration of it just yesterday at upenn. I will try to post some pictures i took of their lab when i get onto a computer"
Tian commented on Chris Anderson's blog post Arduino projects for RC cars"Wow, this sounds pretty advanced. It is like traction control and stability management for RC cars. Real cars started having traction control as standard equipment only in the reason years, and only the higher end cars (especially ones by Germany…"
Tian commented on Gareth Rens's blog post Worlds smallest One-man Helicopter"I've seen this quite a while back. This is really awesome. It's like a jet pack without extremely flamable fuel strapped onto your back. Instead, there is a high speed rotor on top of you.
Worst that can happen is that it stalls mid air…"
Tian commented on Muthanna A. Attyah's blog post Researchers use GPS spoofing to 'hack' into a flying drone"In reality, the hacking will be way much more complicated due to encryption and etc.
Also, I posted this about a week ago:http://diydrones.com/profiles/blogs/drones-vulnerable-to-terrorist-hijacking-researchers-say"
Nate Miller commented on Tian's blog post Drones vulnerable to terrorist hijacking, researchers say"May be an interesting read for those of you interested in terrain mapping.
http://www.stanford.edu/group/arl/projects/terrain-relative-navigation
I briefly spoke with the fellow in charge of this a year or so ago. They're to the point now a…"
Tom Yochum commented on Tian's blog post Drones vulnerable to terrorist hijacking, researchers say"@Mathew
How does the inertial guidance system know the GPS is wrong? What if the GPS is working fine and the inertial is wrong? How can you tell the difference?
"A man with two watches doesn't know what time it is."
Augmenting the…"
Tian commented on Max Levine's blog post Now we know why NASA projects are so expensive :)"wow this was mind blowing. who would've thought that it will take so much to land a mars rover"
Gerry Lichter commented on Tian's blog post Drones vulnerable to terrorist hijacking, researchers say"Inertial heading reference usually requires magnetometer & GPS to compensate for yaw angle drift. Perhaps a combined attack where the spoofed GPS was used in combination with magnetic interference to give a false magnetic north to slowly lead…"
Mathew krawczun commented on Tian's blog post Drones vulnerable to terrorist hijacking, researchers say"I don't get what you're saying Tom because it doesn't matter if the GPS thinks it's working fine the inertial guidance system will know it's not and the uav will stop believing what the GPS says.
the…"
Tom Yochum commented on Tian's blog post Drones vulnerable to terrorist hijacking, researchers say"Spoofing is difficult to do, but given a few years I am sure there will be some tools out there for those that want to be mischievous.
In order to work well the spoofer needs to know the location of the target. Then they need to introduce false…"
Mathew krawczun commented on Tian's blog post Drones vulnerable to terrorist hijacking, researchers say"in ten years the drones will be smarter then us.
but honestly this won't be very hard to overcome because this will only work on drones that use gps only. add in an inertial guidance system and a map matching program to double check…"
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- About Me:
- I'm a newcomer to the world of UAVs and quadcopters.
- Tell us a bit about your UAV interest
- I wish to start off building a FPV quadcopter then going on to an actual UAV (most likely gas powered).
Tian's Blog
Drones vulnerable to terrorist hijacking, researchers say
Posted on June 25, 2012 at 8:30am 11 Comments 2 Likes
“Spoofing a GPS receiver on a UAV is just another way of hijacking a plane,” Humphreys told Fox News.
In other words, with the right equipment, anyone can take control of a GPS-guided drone and make it do anything they want it to.
“Spoofing” is a relatively new concern in the world of GPS navigation. Until now, the main problem…
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Season Two of the Trust Time Trial (T3) Contest has now begun. The fourth round is an accuracy round for multicopters, which requires contestants to fly a cube. The deadline is April 14th.A list of all T3 contests is here.
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